Sun-mi works at a reception desk of a public institution in Daegu, Korea. Nothing happens to her, and she has the same lunch every day. One day, a message is sent to her. This little incident in her ordinary life stimulates her curiosity. Saturday morning, a film director Ga-young participates into a Q&A section of her new movie entitled The Murder at Cinema. Eun-jung, a foreman in a production line, tries to find Min-cheol who disappeared with the book of accounts. She meets his acquaintances to ask where they saw him, and finally she heads to the cinema where she heard that he often visits.

Seung-hyeon, a construction team leader with PTSD, is ordered to inspect Dohak Station, where a fatal accident halted work years ago. Inside the eerie, abandoned tunnels, he and Joo-young encounter two mysterious workers and become lost while trying to escape. Meanwhile, a CEO and a shaman perform a ritual to resume construction, but enraged spirits retaliate, plunging everyone into chaos.

Under the name of family, we complete our own modernity. 4 talented directors unfold 4 different portraits about family, the most heart-warming, yet the most heart-aching word in the Modern era.

Tae-jeo, a correctional officer with 15 years of experience, learns about the death of an inmate's mother during a night shift. On that winter night, she visits the funeral home and unexpectedly meets the inmate's daughter, Jun-young. Their encounter brings warmth to both their lives, and Tae-jeo hopes Jun-young understands: “Every decision you make shapes who you become."

Jiwan quits her job and start working on a script to become a film director. She has worked on her script for many years but making it into a film seems almost impossible. As she runs around the field in frustration, shee sees a shining rainbow in a puddle and finds hope to work on a new project. She writes to a new script of the title 'Rainbow' that is about the fantastic band playing by 7 color.

Five years after her son’s death, Min-young joins a group for women who have lost a child, only to hear someone laughing.

During the late 1980s, two detectives in a South Korean province attempt to solve the nation's first series of rape-and-murder cases.